811557680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{1429}}^1$

素因数の和:1702

約数の個数: 80

約数和(自身を含む): 1957612800

約数和(自身を除く): 1146055120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 229, 248, 310, 458, 496, 620, 916, 1145, 1240, 1429, 1832, 2290, 2480, 2858, 3664, 4580, 5716, 7099, 7145, 9160, 11432, 14198, 14290, 18320, 22864, 28396, 28580, 35495, 44299, 56792, 57160, 70990, 88598, 113584, 114320, 141980, 177196, 221495, 283960, 327241, 354392, 442990, 567920, 654482, 708784, 885980, 1308964, 1636205, 1771960, 2617928, 3272410, 3543920, 5235856, 6544820, 10144471, 13089640, 20288942, 26179280, 40577884, 50722355, 81155768, 101444710, 162311536, 202889420, 405778840, 811557680]

約数ペア:

[(1, 811557680), (2, 405778840), (4, 202889420), (5, 162311536), (8, 101444710), (10, 81155768), (16, 50722355), (20, 40577884), (31, 26179280), (40, 20288942), (62, 13089640), (80, 10144471), (124, 6544820), (155, 5235856), (229, 3543920), (248, 3272410), (310, 2617928), (458, 1771960), (496, 1636205), (620, 1308964), (916, 885980), (1145, 708784), (1240, 654482), (1429, 567920), (1832, 442990), (2290, 354392), (2480, 327241), (2858, 283960), (3664, 221495), (4580, 177196), (5716, 141980), (7099, 114320), (7145, 113584), (9160, 88598), (11432, 70990), (14198, 57160), (14290, 56792), (18320, 44299), (22864, 35495), (28396, 28580)]